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Added configurable stats update interval #506

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Added configurable stats update interval #506

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4 changes: 2 additions & 2 deletions src/output.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -835,8 +835,8 @@ void write_stats_file(timeval *last_stats_write) {
timeval current_time;
gettimeofday(&current_time, NULL);

static const double STATS_FILE_TIMING = 15.0;
if (!do_exit && delta_sec(last_stats_write, &current_time) < STATS_FILE_TIMING) {
extern int stats_update_interval;
if (!do_exit && delta_sec(last_stats_write, &current_time) < stats_update_interval ) {
return;
}

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5 changes: 5 additions & 0 deletions src/rtl_airband.cpp
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Expand Up @@ -82,6 +82,7 @@ bool log_scan_activity = false;
char *stats_filepath = NULL;
size_t fft_size_log = DEFAULT_FFT_SIZE_LOG;
size_t fft_size = 1 << fft_size_log;
int stats_update_interval = 15; // Stats update every 15 seconf by default
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Suggested change
int stats_update_interval = 15; // Stats update every 15 seconf by default
int stats_update_interval = 15; // Stats update every 15 seconds by default


#ifdef NFM
float alpha = exp(-1.0f/(WAVE_RATE * 2e-4));
Expand Down Expand Up @@ -846,6 +847,10 @@ int main(int argc, char* argv[]) {
log_scan_activity = true;
if(root.exists("stats_filepath"))
stats_filepath = strdup(root["stats_filepath"]);
if (root.exists("stats_update_interval")) {
stats_update_interval = (int)root["stats_update_interval"];
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Any validation we should do on the value? Ie, >0?

}

#ifdef NFM
if(root.exists("tau"))
alpha = ((int)root["tau"] == 0 ? 0.0f : exp(-1.0f/(WAVE_RATE * 1e-6 * (int)root["tau"])));
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1 change: 1 addition & 0 deletions src/rtl_airband.h
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Expand Up @@ -348,6 +348,7 @@ extern volatile int do_exit, device_opened;
extern float alpha;
extern device_t *devices;
extern mixer_t *mixers;
extern int stats_update_interval;

// util.cpp
int atomic_inc(volatile int *pv);
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